From: Ismaël Bouya <ismael.bouya@normalesup.org>
Date: Sun, 2 Jun 2019 07:48:05 +0000 (+0200)
Subject: Finish moving aten php configuration to dedicated module
X-Git-Url: https://git.immae.eu/?a=commitdiff_plain;h=55ebe7be7375fe58c5e8a6f8edc31f768ddf5e6f;p=perso%2FImmae%2FConfig%2FNix%2FNUR.git

Finish moving aten php configuration to dedicated module
---

diff --git a/modules/secrets.nix b/modules/secrets.nix
index 808b15c5..a2424e92 100644
--- a/modules/secrets.nix
+++ b/modules/secrets.nix
@@ -11,7 +11,16 @@
       default = "/var/secrets";
       description = "Location where to put the keys";
     };
+    # Read-only variables
+    fullPaths = lib.mkOption {
+      type = lib.types.attrsOf lib.types.path;
+      default = builtins.listToAttrs
+        (map (v: { name = v.dest; value = "${config.secrets.location}/${v.dest}"; }) config.secrets.keys);
+      readOnly = true;
+      description = "set of full paths to secrets";
+    };
   };
+
   config = let
     location = config.secrets.location;
     keys = config.secrets.keys;
diff --git a/modules/websites/default.nix b/modules/websites/default.nix
index ef79cb3c..043fc6ec 100644
--- a/modules/websites/default.nix
+++ b/modules/websites/default.nix
@@ -23,14 +23,6 @@ in
         Name of the webapp dir to create in /run/current-system
         '';
     };
-    webappDirsPath = mkOption {
-      type = str;
-      readOnly = true;
-      description = ''
-        Full path of the webapp dir
-        '';
-      default = "/run/current-system/${cfg.webappDirsName}";
-    };
     env = mkOption {
       default = {};
       description = "Each type of website to enable will target a distinct httpd server";
@@ -126,6 +118,17 @@ in
         };
       });
     };
+    # Readonly variables
+    webappDirsPaths = mkOption {
+      type = attrsOf path;
+      readOnly = true;
+      description = ''
+        Full paths of the webapp dir
+        '';
+      default = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
+        name "/run/current-system/${cfg.webappDirsName}/${name}"
+      ) cfg.webappDirs;
+    };
   };
 
   config.services.httpd = let
diff --git a/modules/websites/php-application.nix b/modules/websites/php-application.nix
index 765d4067..1bc4872e 100644
--- a/modules/websites/php-application.nix
+++ b/modules/websites/php-application.nix
@@ -2,11 +2,11 @@
 with lib;
 let
   cfg = config.services.phpApplication;
-  cfgByEnv = lists.groupBy (x: x.websiteEnv) (builtins.attrValues cfg);
+  cfgByEnv = lists.groupBy (x: x.websiteEnv) (builtins.attrValues cfg.apps);
 in
 {
-  options = {
-    services.phpApplication = with types; mkOption {
+  options = with types; {
+    services.phpApplication.apps = mkOption {
       default = {};
       description = ''
         php applications to define
@@ -31,6 +31,35 @@ in
             default = true;
             description = "Handle phpsession files separately in vardir";
           };
+          phpListen = mkOption {
+            type = nullOr str;
+            default = null;
+            description = "Name of the socket to listen to. Defaults to app name if null";
+          };
+          phpPool = mkOption {
+            type = lines;
+            default = "";
+            description = "Pool configuration to append";
+          };
+          phpOptions = mkOption {
+            type = lines;
+            default = "";
+            description = "php configuration to append";
+          };
+          phpOpenbasedir = mkOption {
+            type = listOf path;
+            default = [];
+            description = ''
+              paths to add to php open_basedir configuration in addition to app and vardir
+              '';
+          };
+          phpWatchFiles = mkOption {
+            type = listOf path;
+            default = [];
+            description = ''
+              Path to other files to watch to trigger preStart scripts
+              '';
+          };
           websiteEnv = mkOption {
             type = str;
             description = ''
@@ -51,6 +80,13 @@ in
               httpd group to run the prestart scripts as.
               '';
           };
+          httpdWatchFiles = mkOption {
+            type = listOf path;
+            default = [];
+            description = ''
+              Path to other files to watch to trigger httpd reload
+              '';
+          };
           app = mkOption {
             type = path;
             description = ''
@@ -59,6 +95,7 @@ in
           };
           webappName = mkOption {
             type = nullOr str;
+            default = null;
             description = ''
               Alias name for the app, to be used in services.websites.webappDirs
               '';
@@ -84,29 +121,57 @@ in
               List of systemd services this application depends on
               '';
           };
-          watchFiles = mkOption {
-            type = listOf path;
-            default = [];
-            description = ''
-              Path to other files to watch to trigger preStart scripts
-              '';
-          };
         };
       });
     };
+    # Read-only variables
+    services.phpApplication.phpListenPaths = mkOption {
+      type = attrsOf path;
+      default = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
+        name "/run/phpfpm/${if icfg.phpListen == null then name else icfg.phpListen}.sock"
+      ) cfg.apps;
+      readOnly = true;
+      description = ''
+        Full paths to listen for php
+        '';
+    };
+    services.phpApplication.webappDirs = mkOption {
+      type = attrsOf path;
+      default = attrsets.filterAttrs (n: v: builtins.hasAttr n cfg.apps) config.services.websites.webappDirsPaths;
+      readOnly = true;
+      description = ''
+        Stable name webapp dirs for httpd
+        '';
+    };
   };
 
   config = {
     services.websites.env = attrsets.mapAttrs' (name: cfgs: attrsets.nameValuePair
       name {
         modules = [ "proxy_fcgi" ];
-        watchPaths = builtins.concatLists (map (c: c.watchFiles) cfgs);
+        watchPaths = builtins.concatLists (map (c: c.httpdWatchFiles) cfgs);
       }
     ) cfgByEnv;
 
+    services.phpfpm.pools = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
+      name {
+        listen = cfg.phpListenPaths."${name}";
+        extraConfig = ''
+          user = ${icfg.httpdUser}
+          group = ${icfg.httpdGroup}
+          listen.owner = ${icfg.httpdUser}
+          listen.group = ${icfg.httpdGroup}
+          ${optionalString (icfg.phpSession) ''
+            php_admin_value[session.save_path] = "${icfg.varDir}/phpSessions"''}
+          php_admin_value[open_basedir] = "${builtins.concatStringsSep ":" ([icfg.app icfg.varDir] ++ icfg.phpOpenbasedir)}"
+          '' + icfg.phpPool;
+        phpOptions = config.services.phpfpm.phpOptions + icfg.phpOptions;
+      }
+    ) cfg.apps;
+
     services.websites.webappDirs = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
-      icfg.webappName icfg.webRoot
-    ) (attrsets.filterAttrs (n: v: !isNull v.webappName && !isNull v.webRoot) cfg);
+      (if icfg.webappName == null then name else icfg.webappName) icfg.webRoot
+    ) (attrsets.filterAttrs (n: v: !isNull v.webRoot) cfg.apps);
 
     systemd.services = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
       "phpfpm-${name}" {
@@ -114,7 +179,7 @@ in
         wants = icfg.serviceDeps;
         preStart = lib.mkAfter (optionalString (!isNull icfg.varDir) ''
           watchFilesChanged() {
-            ${optionalString (builtins.length icfg.watchFiles == 0) "return 0"}
+            ${optionalString (builtins.length icfg.phpWatchFiles == 0) "return 1"}
             [ ! -f "${icfg.varDir}"/watchedFiles ] \
               || ! sha512sum -c --status ${icfg.varDir}/watchedFiles
           }
@@ -123,8 +188,8 @@ in
               "${icfg.app}" != "$(cat ${icfg.varDir}/currentWebappDir 2>/dev/null)" ]
           }
           updateWatchFiles() {
-            ${optionalString (builtins.length icfg.watchFiles == 0) "return 0"}
-            sha512sum ${builtins.concatStringsSep " " icfg.watchFiles} > ${icfg.varDir}/watchedFiles
+            ${optionalString (builtins.length icfg.phpWatchFiles == 0) "return 0"}
+            sha512sum ${builtins.concatStringsSep " " icfg.phpWatchFiles} > ${icfg.varDir}/watchedFiles
           }
 
           if watchFilesChanged || appDirChanged; then
@@ -136,7 +201,7 @@ in
           fi
         '');
       }
-    ) cfg;
+    ) cfg.apps;
 
     system.activationScripts = attrsets.mapAttrs' (name: icfg: attrsets.nameValuePair
       name {
@@ -147,6 +212,6 @@ in
           install -m 0700 -o ${icfg.httpdUser} -g ${icfg.httpdGroup} -d ${icfg.varDir}/phpSessions
           '';
       }
-    ) cfg;
+    ) cfg.apps;
   };
 }